its called context things take a different meaning when said by a particular people a rich person laughing at broke people id frowned upon whereas a broke person laughing at another broke person is generally acceptable a thin person making fun of fat is considered rude whereas a fat person making fun of fat is generally okay and theres a difference between a white person calling a black person a nigger and a black person calling another black person a nigga this is a complex sociological idea and its not that simple as theyre allowed to say it so we should be able to say it as well